Merge branch 'sb/submodule-cleanup'

A few preliminary minor clean-ups in the area around submodules. * sb/submodule-cleanup: builtin/submodule--helper: remove stray new line t7410: update to new style

Junio C Hamano committed Aug 20, 2018 at 12:41 UTC 85c54ecc5f26d5273f15ef64e8d756353b222d3b

No changes.